Slysoft, the makers of AnyDVD, CloneDVD, and many other disc-copying software apps, have just cracked the Blu-ray BD+ copy protection. This means, if Slysoft's predictions are correct, a commercially-purchasable suite to copy Blu-ray movies will be available by the end of the year.
However, Blu-ray blanks—especially dual-layer ones—are still so costly right now ($40+ for a writable) that it's not financially feasible for people to be duping their own movies. You know, unless you really enjoy the blank disc look over the professionally done Blu-ray disc with the proper case and materials.